swift - remove matching images from two Arrays -


i'm making snap game i'm trying remove 2 images array don't reappear again when first random card , second random card match. there way can this? thanks

var cardnamesarray: [string] = ["sad", "sleepy","angry"]  var cardnamesarray2: [string] = ["triste", "cansado","enfadado"]

generates random card first array

   firstrandomnumber = int (arc4random_uniform(3))    let firstcardstring:string = self.cardnamesarray[firstrandomnumber]    self.firstcardimageview.image = uiimage(named: firstcardstring)

generates random card second array

   secondrandomnumber = int (arc4random_uniform(3))    let secondcardstring:string = self.cardnamesarray2[secondrandomnumber]    self.secondcardimageview.image = uiimage(named: secondcardstring)

if match player score 1 point 

        @ibaction func snapbuttontapped(sender: uibutton) {          if firstrandomnumber == secondrandomnumber {          print("index match")          self.playerscore += 1         self.playerscorelabel.text = string(self.playerscore      }

why don't try remove images array itself. once random number matches, can that!

if firstrandomnumber == secondrandomnumber {      print("index match")      self.playerscore += 1     self.playerscorelabel.text = string(self.playerscore     cardnamesarray.removeatindex(firstrandomnumber)     cardnamesarray2.removeatindex(secondrandomnumber)      if cardnamesarray.count == 0 && cardnamesarray2.count == 0{         print("user won")     }else{         print("continue playing")     } }

crash update:

replace below 2 lines in code mine

firstrandomnumber = int (arc4random_uniform(uint32(cardnamesarray.count)))  secondrandomnumber = int(arc4random_uniform(uint32(cardnamesarray2.count)))

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